Handheld infrared thermal imager



FIG. 1 is a front, right, bottom, perspective view of a handheld infrared thermal imager showing our new design;

FIG. 2 is a front, left, top perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left view thereof;

FIG. 6 is a right view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

The broken lines in the drawings depict portions of the product that form no part of the claimed design. 

CLAIM The ornamental design for a handheld infrared thermal imager, as shown and described. 